Home / 1,931,460.12-2,665,395.69-1,071,998.28

Finding the Fourth Proportional to 1,931,460.12, 2,665,395.69 and 1,071,998.28

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Solution

The fourth proportional to 1,931,460.12, 2,665,395.69 and 1,071,998.28 is: 1,479,346.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,460.12 : 2,665,395.69 = 1,071,998.28 : x
  2. Step 2: Convert to fraction form
    1,931,460.12/2,665,395.69 = 1,071,998.28/x
  3. Step 3: Cross multiply
    1,931,460.12x = 2,665,395.69 × 1,071,998.28
  4. Step 4: Simplify right side
    1,931,460.12x = 2,857,299,595,199.41
  5. Step 5: Solve for x
    x = 2,857,299,595,199.41/1,931,460.12
  6. Step 6: Final answer
    x = 1,479,346.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.